Using a yo-yo could be one. You could have a yelling or yodeling contest outside. A yacht race might be another.
Yakuza. Yourself Fitness
K-On! Houkago Live , Kabuki Warriors , Kaio: King of Pirates , Kairo
It is an indoor game, but can play outdoor when there is no any strong wind.
outdoor
Outdoor
It is an indoor game, but can play outdoor when there is no any strong wind.
Outdoor Games For Young Kids : Amazon has this cool outside game for children - nannuballoons.com
swimming is an outsoor game
Press and hold a,b, x and y simultaneously while the game is starting up and that's how to start a new game.
A bright and cheerful word starting with Y is yellow; a very important word starting with Y is you.
out door activities
In general it is an indoor game although you can get larger outdoor versions for the garden. However, it is a game that was meant to be played indoors when it was first created.